In September, Kostanay typically sees daytime highs of 19.0°C and overnight lows around 5.8°C. Compared to the annual average high of 8.0°C, September runs +11.0°C.
September in Kostanay averages a daytime high of 19.0°C and an overnight low of 5.8°C.
September runs +11.0°C compared to Kostanay's annual average high of 8.0°C, ranking #5 of 12 months by warmth.
Plan for daytime highs near 19.0°C and cooler evenings around 5.8°C.